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Finding the Fourth Proportional to 185,155.52, 255,323.52 and 158,386.64

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Solution

The fourth proportional to 185,155.52, 255,323.52 and 158,386.64 is: 218,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,155.52 : 255,323.52 = 158,386.64 : x
  2. Step 2: Convert to fraction form
    185,155.52/255,323.52 = 158,386.64/x
  3. Step 3: Cross multiply
    185,155.52x = 255,323.52 × 158,386.64
  4. Step 4: Simplify right side
    185,155.52x = 40,439,834,445.77
  5. Step 5: Solve for x
    x = 40,439,834,445.77/185,155.52
  6. Step 6: Final answer
    x = 218,410.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.